i 



I 



556 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Ischnomyia Loew, Berliner Ent. Zeitschr. , vol. 7, p. 325, 1863. 1 species. Type, 



Diastataf albicosta Walker (as vfttula, new species). 

 S Isogaster Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1114, 1864. 1 species. Type, 



Borboras nigrifemoratus Macquart. Equals Copromyza Fallen, 1810. 

 y Isoglossa Coquillett, Can. Ent., vol. 27, p. 125, 1895. 1 species. Type, Isoglossa 



hastata Coquillett. Not Isoglossa Casey, 1893. Equals Eucoronymyia Townsend, 



1908. 

 t/ Isomera Desvoidy, Ann. ,Soc. Ent. France for 1851, p. 315, 1851. 2 species. Type, 



Rhedia sicula Desvoidy (as Reaumeria blondeli I )ksvoidy), the first species, by present 



designation. Equals Salmacia Meigen, 1800. 

 t, Isoperdhes Osten Sacken, Biol. Centr.-Amer., Dipt., vol. 1, p. 96, 1886. 2 species. 



Type, Isopenthes jsennickeana Osten Sacken, the second species, by present designa- 

 tion. Equals Villa Lioy, 1864. 



Isoplastus Skuse, Proc. Linn. Soc. N. S. Wales, ser. 2, vol. 4, p. 279, 1889. 



3 species. Type, Isoplastus notabilis Skuse, the first species, by present designation. 

 •" Isostomyia Coquillett, Class. Mosq., p. 16, 1906. 1 species. Type, Aedes pertur- 



bans Willistox. 

 •^ Istoglossa Rondani, Dipt. Ital. Pfodr., vol. 1, p. 77, 1856. 1 species. Type, Isto- 



glossa puella Rondani. Equals Clausicella Rondani, 1856. 

 </ Itamus Loew, Linn. Ent., vol. 4, p. 84, 1849. 4 species. Type, Asilus cyanunu 



Loew, the first species, by present designation. Not Itamus Schmidt-Gcebel, 1846. 



Equals Neoitamus Osten Sacken, 1878. 

 s Iteaphila Zetterstedt, Ins. Lapp., p. 540, 1838. 2 species. Type, Iteaphila 



macquarti Zetterstedt, the first species, by designation of Coquillett, Proc. Ent. Soc. 



Washington, vol. 5, 1903, p. 251. Syn., Steleochela Becker, 1887. 

 • // Itonida Meigen, Nouv. Class. Mouch., p. 19, 1800.* No species. Cecidomyia 



Meigen, 1803, is a change of name. Type, Tipula pini De Geer. Syn., Cecidomyia 



Meigen, L803; Diplosis Loew, 1851. 

 */ Janetiella Kieffer, Syn. Cec. Eur. Alger., p. 23, 1898. 3 species. Type, Cecido- 

 myia thymi Kieffer, the first species, by present designation. 

 •/ Janthinosoma Arribalzaga, Rev. Mus. La Plata, vol. 1, p. 394, 1891. 1 species. 



Type, Culex discrucians Walker. Syn., Conchyliastes Theobald, 1901. 

 i/ Javetia Desvoidy, Hist. Nat. Dipt., vol. 1, p. 1115,1863. 1 species (as 3). Type, 



Tachina chalconoia Meigen. Equals Macquartia Desvoidy, 1830. 

 •^ Joannisia Kieffer, Bull. Soc.Ent. France for 1894, p. 175, 1894. 2 species. Type, 



Joannisia aurantiaca Kieffer, the first species, by present designation. 

 t/ Joblotia Blanchard, Compt. Rend. Soc. Biol., vol. 53, p. 1046, Dec. 6, 1901. Change 



of name for Trichoprosopon Theobald, July 15, 1901, under the mistaken idea that 



this is preoccupied by Trichoprosopus Macquart, 1843. Type, Trichoprosopon nivipet 



Theobald. Equals Trichoprosopon Theobald, July 15, 1901. 

 */ Johannseniella Williston, Tourn. N. Y. Ent. Soc, vol. 15, p. 1, 1907. Change of 



name for Ceratolophus Kieffer, 1899, not of Bocourt, 1873. Type, Ceraiopogon femo- 



rata Meigen. Equals Serromyia Meigen, 1818. 

 */ Johnsonia Coquillett, Proc. Acad. Nat. Sci. Phila. for 1895, p. 316, 1895. 1 species. 



Type, Johnsonia elegant Coquillett. 

 </ Johnsonomyia Felt, 23d Rep. State Ent. N. Y., p. 417, 1908. 3 species. Type, 



Johnsonomyia rubra Felt, the last species, by original designation. 

 t/ Jurinella Bkauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 56, 



p. 132, 1889. 1 species. Type, Jurinia cceruleonigra Macquart. Syn., Pseudohystricia 



Bracer and Bergenstamm, 1889; Eujurinia Townsend, 1908. 

 i/ Jurinia Desvoidy, Essai Myod., p. 34, 1830. 10 species (as 12). Type, Jurinia 



gagatea Desvoidy, the fifth species, by present designation, 

 y Karshomyia Felt, 23d Rep. State Ent. N. Y., p. 398, 1908. 1 species. Type, 



Mycodiplosis viburni Felt. 



